Answer:
Lauren is 19. Lauren's grandmother is 61.
Step-by-step explanation:
19 * 3 = 57
57 + 4 =61
19 + 61 = 80
Answer:

Step-by-step explanation:






Answer:
13.52 ounces of water
Step-by-step explanation:
80% equals 8/10
So we multiply 16.9x8/10 getting 13.52 ounces
386 x 21 = 8.106
I hope you got a good grade on your assignment!!! :D
Answer:
6/8, 9/12
Step-by-step explanation: